(69990) 1998 WU31
From Infogalactic: the planetary knowledge core
| Discovery | |
|---|---|
| Discovered by | Marc W. Buie |
| Discovery date | November 18, 1998 |
| Designations | |
| MPC designation | (69990) 1998 WU31 |
| none | |
| TNO (plutino) | |
| Orbital characteristics | |
| Aphelion | 46.268 AU |
| Perihelion | 31.885 AU |
| 39.077 AU | |
| Eccentricity | 0.184 |
| 34.1° | |
| Inclination | 6.6° |
| 237.2° | |
| 140.9° | |
| Physical characteristics | |
| Dimensions | 111 km |
| Albedo | 0.09 (assumed) |
| 8.0 | |
(69990) 1998 WU31, also written as (69990) 1998 WU31 is a TNO that resides in the Kuiper belt. It was discovered on November 18, 1998, by Marc W. Buie at Kitt Peak National Observatory
Since it is in a 2:3 orbital resonance with the planet Neptune, it has been classified as a plutino.
References
- 1. http://cfa-www.harvard.edu/iau/lists/TNOs.html
- 2. http://www.johnstonsarchive.net/astro/tnoslist.html
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